IPort I2C Connector - mellottsvrpage
VFX1 connectors and pinout
The aim for this document is to make available VFX1 technical information, that might help in developing ( linkboxes or support for tracking) and/or repairing VFX1s.
We have the following connectors in the system
• The VESA feature connector, present in the VIP card that interfaces to a video card.
• The VGA connector, of interest if you are doing video linkboxes
• The connector in the helmet, that goes to the vIP card, where video and tracking signals are transferred.
VESA feature connector ( in VIP card)
A 26 pin ( 2 rows of 13) standart connector, designed by an idiot who did not think about preventing it from being connected the wrong way. When you connect it the wrong way some chips in the VIP card are destroyed.
• Video Feature Connector Pinouts
Pin Name Function
1 PD0 Dac Pixel data bit 0
2 PD1 bit 1
3 PD2 bit 2
4 PD3 3
5 PD4 4
6 PD5 5
7 PD6 6
8 PD7 7
9 - Dac Clock
10 - Dac Blanking
11 - Horizontal Sync
12 - Vertical Sync
13 - Ground
14 - Ground
15 - Ground
16 - Ground
17 - Select Internal Video
18 - Select Internal Sync
19 - Select Internal Dot Clock
20 - Not Used
21 - Ground
22 - Ground
23 - Ground
24 - Ground
25 - Not Used
26 - Not Used
And I assume that pins 1 - 12 are outputs, and 17 - 19 are inputs. Is this correct?
The reason is this - I have a Rombo Media Pro+ video digitising card. It chroma keys its output into the vga monitor signal. However, although it is supposed to work with an ET-4000 with Hi-colour RAMDAC, the colours on screen behave as if the top 2 bits of colour information are missing, and red, green, blue signals are swapped around. Rombo has suggested that this may be due to insufficient buffering on the feature connector outputs, and is happy to sell me a buffer device for 50 pounds. I would rather save about 45 pounds, and build my own. I assume it would require (for example) a 74F244 buffer IC (or two).
Can anyone help? Any information on the feature connector would be highly appreciated!
Please could you reply by email : ee90dhg@brunel.ac.uk
VESA feature connector ( in VIP card)
( sometimes is called VGA feature connector)
component side
pin function
1 PD0 (DAC pixel data bit 0)
2 PD1 (DAC pixel data bit 1)
3 PD2 (DAC pixel data bit 2)
4 PD3 (DAC pixel data bit 3)
5 PD4 (DAC pixel data bit 4)
6 PD5 (DAC pixel data bit 5)
7 PD6 (DAC pixel data bit 6)
8 PD7 (DAC pixel data bit 7)
9 DAC clock
10 DAC blanking
11 Ext. horizontal sync
12 Ext. vertical sync
13 Ground
back side
pin function
1 Ground
2 Ground
3 Ground
4 Select Internal Video
5 Select Internal Syncs
6 Select Internal DAC
8..11 Ground
AMC
ATI has used a connector called AMC in some of their cards. It seems that the AMC is just an "extended normal VGA feature connector", as far as the pinout is concerned.
ATI Technical Support feature connector info: The 26 pin BERG connector on ATI products is KEYED with pin Z13 missing and should be labelled as follows:
------------------------------------------------------------ -----
Y1 J2 Y13
+---------------------------------------+
| . . . . . . . . . . . . . |
| . . . . . . . . . . . . |
+---------------------------------------+
Z1 Z13 (pin missing)
---------------------------------------------------------------------
IBM defines the feature connector in the following manner:
Pin Name Description
Y1 C0 Colour BIT 0: an output when 'Select Internal Video' is hi.
Y2 C1 Colour BIT 1: an output when 'Select Internal Video' is hi.
Y3 C2 Colour BIT 2: an output when 'Select Internal Video' is hi.
Y4 C3 Colour BIT 3: an output when 'Select Internal Video' is hi.
Y5 C4 Colour BIT 4: an output when 'Select Internal Video' is hi.
Y6 C5 Colour BIT 5: an output when 'Select Internal Video' is hi.
Y7 C6 Colour BIT 6: an output when 'Select Internal Video' is hi.
Y8 C7 Colour BIT 7: an output when 'Select Internal Video' is hi.
Y9 DAC Clock Video clock for adapter palette/DAC. Output when
'Select Internal DAC Clock' is high.
Y10 DAC Blanking Blanking Signal for adapter palette/DAC. Output when 'Select
Internal Syncs' is high.
Y11 Ext. H Sync Output when 'Select Internal Syncs' is high.
Y12 Ext. V Sync Output when 'Select Internal Syncs' is high.
Y13, Z1, Z2, Z3, Z8, Z9, Z10 & Z11 Ground
Z4 Select Internal Defines colour pins (C7 to C0) as outputs when high.
(Video) The adapter pulls this signal to +5 volts through a 4.7K ohm resistor.
Z5 Defines SYNCS and blanking pins as outputs. The adapter uses 4.7K ohm
pull-up resistor.
Z6 Defines the DAC Clock pin as an output.
Z7, Z12 & Z13 Not used
ATI card connector pinouts are from Tan Irwin at ATI Technical Support.
VFX1 Helmet Connector ( VIP card helmet)
HD26 connector
Pinout
|PIN |DESCRIPTION |Alternative description |COLOR CODE |
|1 |Left Audio + |Pin 01: Speaker Left |ORG/WHT |
|2 |Left Video Sync |Pin 02: Video L (Composite Sync) |Brown |
|3 |Microphone + |Pin 03: MIC In (Video L 12) |GRN/WHT+ |
|4 |Microphone - |Pin 04: Mic GND |GRN/WHT+ |
|5 |Right Red Video Return |Pin 05: System GND (Video R 6) |BRWN/WHT- |
|6 |Right Green Video Return |Pin 06: System GND (Video R 8) |GRY/WHT- |
|7 |Right Audio + |Pin 07: Speaker Right |BLU/WHT- |
|8 |Serial Clock |Pin 08: Access.Bus B |ORANGE |
|9 |Serial Data |Pin 09: Access.Bus A |RED |
|10 |+5 Volt Power |Pin 10: +5V |YELLOW |
|11 |Left Audio- |Pin 11: GND (Speaker) |ORG/WHT |
|12 |Left Blue Video |Pin 12: Video L (Blue) |BRWN/RED- |
|13 |Left Green Video |Pin 13: Video L (Green) |GRN/RED- |
|14 |Left Red Video |Pin 14: Video L (Red) |ORG/RED- |
|15 |Right Green Video |Pin 15: Video R (Green) |GRY/WHT- |
|16 |Right Blue Video Return |Pin 16: System GND (Video R 10) |BLU/RED- |
|17 |Right Audio- |Pin 17: GND (Speaker) |BLU/WHT+ |
|18 |+5 Volt Power |Pin 18: +5V |GREEN |
|19 |GND |Pin 19: System GND |BLUE |
|20 |Left Blue Video Return |Pin 20: System GND (Video L 10) |BRWN/RED- |
|21 |Left Green Video Return |Pin 21: System GND (Video L 8) |GREEN/RED- |
|22 |Left Red Video Return |Pin 22: System GND (Video L 6) |ORGN/RED- |
|23 |Right Red Video |Pin 23: Video R (Red) |BRWN/WHT- |
|24 |Right Blue Video |Pin 24: Video R (Blue) |BLUE/RED- |
|25 |Right Video Sync |Pin 25: Video R (Composite Sync) |BLACK |
|26 |GND |Pin 26: System GND (Cable shield) |PINK |
• Electrical-mechanical – part number
It is a HD26 female + male connector
VFX1 Helmet Connector
This is what I worked out the VFX1 pinout to be.
I think most of it is correct. Rob
I2C serial connector ( VIP card cyberpuck or cyberpuck helmet)
• Pinout
• Electrical/mechanical description and part number
The description of the connector is here:
| |I2C Connector |
This document describes the I2C Bus connector used on many of our products.
Many of our customers have been asking us about the I2C Bus connector we use on many of products. These customers want to design this connector into their systems. This document describes this connector and provides information on its pinout and source.
MCC offers a variety of I2C based products. These products include our I2C Bus Monitor, iPort RS-232 to I2C Host Adapter, and iPack I2C Bus Cards. To provide a standard way to connect these products, we use the Molex SEMCONNTM ACCESS.bus Connector (Part# 15-83-0064). This high quality locking connector was originally specified for use in ACCESS.bus based systems. It includes four (4) lines used for I2C Clock (SCL) and I2C Data (SDA), Ground (GND), and +5 VDC. The +5VDC line is not required for I2C, but provides an optional way to power attached I2C devices.
Molex SEMCONNTM
ACCESS.bus Receptacle Connector
P.C.B. Layout : For the recommended P.C.B. layout, contact Molex at "" and request Molex Sales Drawing SDA-71565-2***.
Connector Sources : This connector is available through most Molex distributors. Contact Molex at "" and request a list of distributors in your area. MCC can supply limited quantities on special order.
Cable Sources : MCC has available 4 foot compatible cables (Part# CAB4). Contact our sales department for details.
Micro Computer Control Corporation
PO Box 275, 17 Model Avenue
Hopewell, New Jersey 08525 USA
Tel: (609)466-1751 Fax: (609)466-4116 WWW: mcc-
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